Question 1

The ________ was proposed to help explain speciation that appears in the fossil record.

Accepted Answer

A) evolutionary species concept 
B) morphological species concept 
C) phylogenetic species concept 
D) genetic divergence species concept 
A) evolutionary species concept 
B) morphological species concept 
C) phylogenetic species concept 
D) genetic divergence species concept

Question 2

Macroevolution is opportunistic,not goal oriented.Explain what this means.

Accepted Answer

Answers may vary.Macroevolution is not d

Question 3

Study the chart of the mating seasons of these five species of frogs.What factor keeps the frogs reproductively isolated? What other factors may be involved?

Accepted Answer

Answers may vary.This chart obviously de

Question 4

In ________,proteins on the surface of the sperm are not able to bind to proteins on the surface of the egg.

Accepted Answer

A) temporal isolation 
B) behavioral isolation 
C) mechanical isolation 
D) gametic isolation 
A) temporal isolation 
B) behavioral isolation 
C) mechanical isolation 
D) gametic isolation

Question 5

Reproductive isolation

Accepted Answer

A) means there is no gene flow between two groups of organisms. 
B) is necessary for species to remain separate. 
C) is maintained by certain prezygotic and postzygotic barriers. 
D) All of the choices are correct. 
E) None of the choices are correct. 
A) means there is no gene flow between two groups of organisms. 
B) is necessary for species to remain separate. 
C) is maintained by certain prezygotic and postzygotic barriers. 
D) All of the choices are correct. 
E) None of the choices are correct.

Question 6

All of the following statements concerning the evolutionary species concept are true EXCEPT

Accepted Answer

A) it requires that the members of a species share a distinct evolutionary pathway. 
B) it relies on identification of certain morphological traits to distinguish one species from another. 
C) abrupt changes in traits are indicative of the evolution of a new species in the fossil record. 
D) an evolutionary "family tree" is used to identify species based on a common ancestor. 
A) it requires that the members of a species share a distinct evolutionary pathway. 
B) it relies on identification of certain morphological traits to distinguish one species from another. 
C) abrupt changes in traits are indicative of the evolution of a new species in the fossil record. 
D) an evolutionary "family tree" is used to identify species based on a common ancestor.

Question 7

The three processes that are commonplace throughout the evolutionary history of a species and illustrate that macroevolution is not goal-directed are speciation,diversification,and extinction.

Accepted Answer

A) True 
 B)False

Question 8

Two species of the garter snake in the genus Thamnophis are found in the same geographic region.These species are not likely to meet and attempt to reproduce because one lives mainly in the water,while the other species spends most of its time on land.This is known as

Accepted Answer

A) behavioral isolation. 
B) habitat isolation. 
C) temporal isolation. 
D) zygote mortality. 
A) behavioral isolation. 
B) habitat isolation. 
C) temporal isolation. 
D) zygote mortality.

Question 9

The Acadian flycatcher,Willow flycatcher,and Least flycatcher are morphologically very similar,but live in different habitats and do not reproduce with one another.Which species concept would be the most useful in determining if these flycatchers are different species? Explain.

Accepted Answer

The biological species concept provides

Question 10

________ prevent hybrid offspring from developing or if the hybrid is born,it is infertile.

Accepted Answer

A) Prezygotic reproductive isolating mechanisms 
B) Temporal isolation mechanisms 
C) Postzygotic isolating mechanisms 
D) Two of these are correct. 
E) None of the answer choices are correct. 
A) Prezygotic reproductive isolating mechanisms 
B) Temporal isolation mechanisms 
C) Postzygotic isolating mechanisms 
D) Two of these are correct. 
E) None of the answer choices are correct.

Question 11

Which of the following scenarios is explained by adaptive radiation?

Accepted Answer

A) The average running speed of a cheetah increases each generation due to the gazelles getting faster. 
B) The toxicity level of the bark of a species of plant increases due to constantly being attacked by aphids. 
C) The color pattern of the moths living in the woods of England become darker as the levels of pollution increase during the Industrial Revolution. 
D) All of these are examples of adaptive radiation. 
A) The average running speed of a cheetah increases each generation due to the gazelles getting faster. 
B) The toxicity level of the bark of a species of plant increases due to constantly being attacked by aphids. 
C) The color pattern of the moths living in the woods of England become darker as the levels of pollution increase during the Industrial Revolution. 
D) All of these are examples of adaptive radiation.

Question 12

Female Anolis distinguish males of their species by the color of their dewlap,a colorful flap of skin in the neck region.This is an example of

Accepted Answer

A) a postzygotic isolating mechanism. 
B) a prezygotic isolating mechanism. 
C) temporal isolation. 
D) hybrid inviability. 
A) a postzygotic isolating mechanism. 
B) a prezygotic isolating mechanism. 
C) temporal isolation. 
D) hybrid inviability.

Question 13

Sympatric speciation in plants,as a result of ________,is well documented.

Accepted Answer

A) any type of geographic barrier 
B) a series of islands off of a mainland 
C) polyploidy 
D) mountain ranges 
A) any type of geographic barrier 
B) a series of islands off of a mainland 
C) polyploidy 
D) mountain ranges

Question 14

A ________ is the first cell that results when an egg is fertilized by a sperm.

Accepted Answer

A) spermatogonium 
B) gastrula 
C) zygote 
D) blastula 
A) spermatogonium 
B) gastrula 
C) zygote 
D) blastula

Question 15

Which figure depicts a punctuated equilibrium model of evolution?

Accepted Answer

A) Figure A 
B) Figure B 
A) Figure A 
B) Figure B

Question 16

Male fireflies are recognized by females of their species by their flash pattern,while male crickets are recognized by females of their species by their chirping.These are examples of

Accepted Answer

A) behavioral isolation. 
B) habitat isolation. 
C) temporal isolation. 
D) mechanical isolation. 
A) behavioral isolation. 
B) habitat isolation. 
C) temporal isolation. 
D) mechanical isolation.

Question 17

The history of life on Earth can be studied by looking at

Accepted Answer

A) macroevolution. 
B) microevolution. 
C) sexual selection. 
D) gene flow. 
A) macroevolution. 
B) microevolution. 
C) sexual selection. 
D) gene flow.

Question 18

The ranges of the red-legged frog and the yellow-legged frog overlap in California.The red-legged frog (Rana aurora,left)breeding season lasts from January to March.The closely related yellow-legged frog (Rana boylii,right)breeds from late March through May.What type of reproductive isolating mechanism is mainly responsible for keeping these two species separate?

Accepted Answer

A) habitat isolation 
B) behavioral isolation 
C) temporal isolation 
D) mechanical isolation 
E) gamete isolation 
A) habitat isolation 
B) behavioral isolation 
C) temporal isolation 
D) mechanical isolation 
E) gamete isolation

Question 19

Isolating mechanisms that prevent reproductive attempts or make it unlikely that reproductive attempts will be successful are referred to as

Accepted Answer

A) prezygotic reproductive isolating mechanisms. 
B) pregametic isolating mechanisms. 
C) postzygotic isolating mechanisms. 
D) postgametic isolating mechanisms. 
E) None of the answer choices are correct. 
A) prezygotic reproductive isolating mechanisms. 
B) pregametic isolating mechanisms. 
C) postzygotic isolating mechanisms. 
D) postgametic isolating mechanisms. 
E) None of the answer choices are correct.

Question 20

In speciation which of the following is mismatched?

Accepted Answer

A) allopatric speciation-geographic isolation 
B) sympatric speciation-absence of a geographic barrier 
C) adaptive radiation-chance for new species to adapt to new habitats 
D) postzygotic isolation-hybrid offspring sterility 
E) None of the answers are mismatched. 
A) allopatric speciation-geographic isolation 
B) sympatric speciation-absence of a geographic barrier 
C) adaptive radiation-chance for new species to adapt to new habitats 
D) postzygotic isolation-hybrid offspring sterility 
E) None of the answers are mismatched.

Exam 17: Speciation and Macroevolution

The ________ was proposed to help explain speciation that appears in the fossil record.

Macroevolution is opportunistic,not goal oriented.Explain what this means.

Study the chart of the mating seasons of these five species of frogs.What factor keeps the frogs reproductively isolated? What other factors may be involved?

In ________,proteins on the surface of the sperm are not able to bind to proteins on the surface of the egg.

Reproductive isolation

All of the following statements concerning the evolutionary species concept are true EXCEPT

The three processes that are commonplace throughout the evolutionary history of a species and illustrate that macroevolution is not goal-directed are speciation,diversification,and extinction.

Two species of the garter snake in the genus Thamnophis are found in the same geographic region.These species are not likely to meet and attempt to reproduce because one lives mainly in the water,while the other species spends most of its time on land.This is known as

The Acadian flycatcher,Willow flycatcher,and Least flycatcher are morphologically very similar,but live in different habitats and do not reproduce with one another.Which species concept would be the most useful in determining if these flycatchers are different species? Explain.

________ prevent hybrid offspring from developing or if the hybrid is born,it is infertile.

Which of the following scenarios is explained by adaptive radiation?

Female Anolis distinguish males of their species by the color of their dewlap,a colorful flap of skin in the neck region.This is an example of

Sympatric speciation in plants,as a result of ________,is well documented.

A ________ is the first cell that results when an egg is fertilized by a sperm.

Which figure depicts a punctuated equilibrium model of evolution?

Male fireflies are recognized by females of their species by their flash pattern,while male crickets are recognized by females of their species by their chirping.These are examples of

The history of life on Earth can be studied by looking at

Isolating mechanisms that prevent reproductive attempts or make it unlikely that reproductive attempts will be successful are referred to as

In speciation which of the following is mismatched?

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development and Aging

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

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